IDENTIFIERS

  • Current Taxon Name (Soil Name): Portgraham
  • OSD
  • Series Extent
  • User Site ID: S2006AK002020
  • User Pedon ID: S2006AK002020
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 07N0178
  • NCSS Pedon Lab Data NASIS Record ID - 18748
  • Print Date: 11/22/2024

    • LOCATION

  • Location In Web Soil Survey
  • AOI is roughly a square mile and pedon is marked in the center.
  • Location in SoilWeb
  • Location in Google Maps
  • Std. Latitude: 59.3508339
  • Std. Longitude: -151.8480530
  • Datum: WGS84
  • Location Description: Port Graham-SNOTEL
  • State: Alaska
  • County: AK122—Kenai Peninsula Borough
  • MLRA: 220—Alexander Archipelago-Gulf of Alaska Coast

    • PEDON

  • Current Taxonomic Class: Medial Typic Humicryods
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: PedonPC
  • Pedon #: 20
  • Sampled As Information:
  • Soil Name - Portgraham
  • Taxonomic Class - Medial Typic Humicryods
  • Classificaton Date - 7/23/2007
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: bedrock mountain
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Flooding: none flooding
  • Bedrock: strongly cemented slight weathered metamorphic, unspecified at 65cm with 45 to <100
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/23/2007 (actual site observation date)
  • Plant Association Name: Sitka spruce/devil'sclub forest
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    spodic horizon

    9—24

    24—65

    —-

    —-
    Setting and Climate
    Slope Slope Length USLE Upslope Length Elev. Corr. Elev Aspect MAP REAP FFD MAAT MSAT MWAT MAST MSST MWST MFFP PE Index Climate Station ID Climate Station Name Climate Station Type
    % m degrees mm mm C mm

    36

    —

    —

    —

    —

    270

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    987

    Port Graham

    SNOTEL
    Oe—0 to 9 centimeters (0.0 to 3.5 inches); dark reddish brown (5YR 2.5/2) moderately decomposed plant material; nonsticky, nonplastic; 70.0 very fine and fine roots and 5.0 medium roots and 3.0 coarse roots; 0 percent by volume nonflat 2-?-76 millimeter unspecified fragments and 0 percent by volume nonflat 76-?-250 millimeter unspecified fragments and 0 percent by volume nonflat 250-?-600 millimeter unspecified fragments and 0 percent by volume flat angular 2-?-150 millimeter unspecified fragments and 0 percent by volume flat angular 150-?-380 millimeter unspecified fragments; noneffervescent; extremely acid, pH 4.3; gradual wavy boundary. Lab sample # 07N01104
    A/E—9 to 24 centimeters (3.5 to 9.4 inches); 70 percent very dark brown (7.5YR 2.5/3) and 30 percent brown (7.5YR 4/2) loam; moderate medium subangular blocky structure; very friable, nonsticky, nonplastic; 30.0 very fine and fine roots and 5.0 medium roots and 2.0 coarse roots; 0 percent by volume nonflat 76-?-250 millimeter unspecified fragments and 0 percent by volume nonflat 250-?-600 millimeter unspecified fragments and 0 percent by volume flat angular 2-?-150 millimeter unspecified fragments and 0 percent by volume flat angular 150-?-380 millimeter unspecified fragments and 2 percent by volume nonflat 2-?-76 millimeter unspecified fragments; noneffervescent; strongly acid, pH 5.2; clear wavy boundary. Lab sample # 07N01105
    Bhs—24 to 58 centimeters (9.4 to 22.8 inches); dark reddish brown (2.5YR 2.5/3) very fine sandy loam; strong very fine granular structure; very friable, nonsticky, nonplastic; 20.0 very fine and fine roots and 1.0 medium roots and 1.0 coarse roots; 0 percent by volume nonflat 76-?-250 millimeter unspecified fragments and 0 percent by volume nonflat 250-?-600 millimeter unspecified fragments and 0 percent by volume flat angular 2-?-150 millimeter unspecified fragments and 0 percent by volume flat angular 150-?-380 millimeter unspecified fragments and 2 percent by volume nonflat 2-?-76 millimeter unspecified fragments; noneffervescent; strongly acid, pH 5.1; gradual wavy boundary. Lab sample # 07N01106
    Bhs/Bs—58 to 65 centimeters (22.8 to 25.6 inches); 60 percent dark reddish brown (2.5YR 2.5/3) and 40 percent dark reddish brown (2.5YR 3/4) fine sandy loam; weak coarse subangular blocky structure; very friable, nonsticky, nonplastic; 20.0 very fine and fine roots and 1.0 medium roots and 1.0 coarse roots; 0 percent by volume nonflat 76-?-250 millimeter unspecified fragments and 0 percent by volume nonflat 250-?-600 millimeter unspecified fragments and 0 percent by volume flat angular 150-?-380 millimeter unspecified fragments and 2 percent by volume flat angular 2-?-150 millimeter unspecified fragments and 10 percent by volume nonflat 2-?-76 millimeter unspecified fragments; noneffervescent; strongly acid, pH 5.4; abrupt wavy boundary. Lab sample # 07N01107
    2R—65 to 152 centimeters (25.6 to 59.8 inches); 10YR (10YR/),; subangular blocky structure; nonsticky, nonplastic; 0.0 very fine and fine roots and 0.0 medium roots and 0.0 coarse roots; 0 percent by volume nonflat 2-?-76 millimeter unspecified fragments and 0 percent by volume nonflat 76-?-250 millimeter unspecified fragments and 0 percent by volume nonflat 250-?-600 millimeter unspecified fragments and 0 percent by volume flat angular 2-?-150 millimeter unspecified fragments and 0 percent by volume flat angular 150-?-380 millimeter unspecified fragments; noneffervescent.